Lamp



FIG. 1 is a side view showing a third embodiment of our new design for a lamp. Only one side view is shown since all sides are the same.

FIG. 2 is a top view of the third embodiment of our new design shown in FIG. 1.

FIG. 3 is a bottom view of the third embodiment of our new design shown in FIG. 1; and,

FIG. 4 is a perspective view of the third embodiment of our new design as shown in FIG. 1. 

We claim the ornamental design for a lamp, as shown and described. 